SPEC rate

SPEC rate

(benchmark)

Results of the throughput measurement using SPECbenchmark suites CINT92 and CFP92. With the throughput
measurement method, several copies of a given benchmark are
executed. The method is particularly suitable for
multiprocessor systems.

The results, called SPEC rate, express how many jobs of a
particular type (characterised by the individual benchmark)
can be executed in a given time (The SPEC reference time
happens to be a week, the execution times are normalized with
respect to a VAX 11/780). The SPEC rates therefore
characterise the capacity of a system for compute-intensive
jobs of similar characteristics.

Despite the introduction of multi-core MPUs in 2005, performance gains slowed further to an average rate of 29 percent over 2004-13, using the SPEC rate measure that accounts more completely for the effects of parallel processing.

Using the SPEC rate measure that accounts more completely for the effects of parallel processing, SPEC performance rose about 32 percent per year on average from 2000 to 2013, down from the 60 percent rate of improvement from 1990 to 2000 and the 36 percent pace over the earlier 1971-90 period (not shown).

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